Android 调用相册 拍照 实现系统控件缩放 切割图片

http://blog.csdn.net/xys289187120/article/details/6575830

android 下如果做处理图片的软件 可以调用系统的控件 实现缩放切割图片 非常好的效果 今天写了一个demo分享给大家 嘿嘿。

[java] view plaincopyprint?

1. package cn.m15.test;
3. import java.io.ByteArrayOutputStream;
4. import java.io.File;
5. import android.app.Activity;
6. import android.content.Intent;
7. import android.graphics.Bitmap;
8. import android.net.Uri;
9. import android.os.Bundle;
10. import android.os.Environment;
11. import android.provider.MediaStore;
12. import android.view.View;
13. import android.view.View.OnClickListener;
14. import android.widget.Button;
15. import android.widget.ImageView;
17. public class testActivityextends Activity {
19. public staticfinal int NONE = 0;
20. public static final int PHOTOHRAPH = 1;// 拍照
21. public staticfinal int PHOTOZOOM = 2; // 缩放
22. public static final int PHOTORESOULT = 3;// 结果
24. public static final String IMAGE_UNSPECIFIED = "image/*";
25. ImageView imageView = null;
26. Button button0 = null;
27. Button button1 = null;
29. @Override
30. public void onCreate(Bundle savedInstanceState) {
31. super.onCreate(savedInstanceState);
32. setContentView(R.layout.main);
33. imageView = (ImageView) findViewById(R.id.imageID);
34. button0 = (Button) findViewById(R.id.btn_01);
35. button1 = (Button) findViewById(R.id.btn_02);
37. button0.setOnClickListener(new OnClickListener() {
38. @Override
39. public void onClick(View v) {
40. Intent intent = new Intent(Intent.ACTION_PICK, null);
41. intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);
42. startActivityForResult(intent, PHOTOZOOM);
43. }
44. });
46. button1.setOnClickListener(new OnClickListener() {
48. @Override
49. public void onClick(View v) {
50. Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
51. intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(),"temp.jpg")));
52. startActivityForResult(intent, PHOTOHRAPH);
53. }
54. });
55. }
57. @Override
58. protected void onActivityResult(int requestCode,int resultCode, Intent data) {
59. if (resultCode == NONE)
60. return;
61. // 拍照
62. if (requestCode == PHOTOHRAPH) {
63. //设置文件保存路径这里放在跟目录下
64. File picture = new File(Environment.getExternalStorageDirectory() +"/temp.jpg");
65. startPhotoZoom(Uri.fromFile(picture));
66. }
68. if (data == null)
69. return;
71. // 读取相册缩放图片
72. if (requestCode == PHOTOZOOM) {
73. startPhotoZoom(data.getData());
74. }
75. // 处理结果
76. if (requestCode == PHOTORESOULT) {
77. Bundle extras = data.getExtras();
78. if (extras != null) {
79. Bitmap photo = extras.getParcelable("data");
80. ByteArrayOutputStream stream = new ByteArrayOutputStream();
81. photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)压缩文件
82. imageView.setImageBitmap(photo);
83. }
85. }
87. super.onActivityResult(requestCode, resultCode, data);
88. }
90. public void startPhotoZoom(Uri uri) {
91. Intent intent = new Intent("com.android.camera.action.CROP");
92. intent.setDataAndType(uri, IMAGE_UNSPECIFIED);
93. intent.putExtra("crop", "true");
94. // aspectX aspectY 是宽高的比例
95. intent.putExtra("aspectX", 1);
96. intent.putExtra("aspectY", 1);
97. // outputX outputY 是裁剪图片宽高
98. intent.putExtra("outputX", 64);
99. intent.putExtra("outputY", 64);
100. intent.putExtra("return-data", true);
101. startActivityForResult(intent, PHOTORESOULT);
102. }
103. }

package cn.m15.test;import java.io.ByteArrayOutputStream;import java.io.File;import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.provider.MediaStore;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageView;public class testActivity extends Activity {public static final int NONE = 0;public static final int PHOTOHRAPH = 1;// 拍照public static final int PHOTOZOOM = 2; // 缩放public static final int PHOTORESOULT = 3;// 结果public static final String IMAGE_UNSPECIFIED = "image/*";ImageView imageView = null;Button button0 = null;Button button1 = null;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);imageView = (ImageView) findViewById(R.id.imageID);button0 = (Button) findViewById(R.id.btn_01);button1 = (Button) findViewById(R.id.btn_02);button0.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {Intent intent = new Intent(Intent.ACTION_PICK, null);intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);startActivityForResult(intent, PHOTOZOOM);}});button1.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg")));startActivityForResult(intent, PHOTOHRAPH);}});}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {if (resultCode == NONE)return;// 拍照if (requestCode == PHOTOHRAPH) {//设置文件保存路径这里放在跟目录下File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg");startPhotoZoom(Uri.fromFile(picture));}if (data == null)return;// 读取相册缩放图片if (requestCode == PHOTOZOOM) {startPhotoZoom(data.getData());}// 处理结果if (requestCode == PHOTORESOULT) {Bundle extras = data.getExtras();if (extras != null) {Bitmap photo = extras.getParcelable("data");ByteArrayOutputStream stream = new ByteArrayOutputStream();photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)压缩文件imageView.setImageBitmap(photo);}}super.onActivityResult(requestCode, resultCode, data);}public void startPhotoZoom(Uri uri) {Intent intent = new Intent("com.android.camera.action.CROP");intent.setDataAndType(uri, IMAGE_UNSPECIFIED);intent.putExtra("crop", "true");// aspectX aspectY 是宽高的比例intent.putExtra("aspectX", 1);intent.putExtra("aspectY", 1);// outputX outputY 是裁剪图片宽高intent.putExtra("outputX", 64);intent.putExtra("outputY", 64);intent.putExtra("return-data", true);startActivityForResult(intent, PHOTORESOULT);}}

[html] view plaincopyprint?

1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3. android:orientation="vertical"android:layout_width="fill_parent"
4. android:layout_height="fill_parent">
5. <TextView android:layout_width="fill_parent"
6. android:layout_height="wrap_content"android:text="@string/hello"/>
7. <ImageViewandroid:id="@+id/imageID"
8. android:adjustViewBounds="true"android:maxWidth="50dip"
9. android:maxHeight="50dip"android:layout_width="wrap_content"
10. android:layout_height="wrap_content"/>
11. <Button android:id="@+id/btn_01" android:layout_height="50dip"
12. android:text="相册"android:layout_width="150dip"/>
13. <Button android:id="@+id/btn_02" android:layout_height="50dip"
14. android:text="拍照"android:layout_width="150dip"/>
15. </LinearLayout>